10, -38.2
13, -33.2
16, -28.5
20, -24.2
25, -20.4
32, -17.1
40, -14.1
50, -11.6
63, -9.3
80, -7.4
100, -5.6
125, -4.2
160, -3
200, -2
250, -1.3
315, -0.8
400, -0.5
500, -0.3
630, -0.1
800, 0
1000, 0
1250, 0
1600, 0
2000, -0.1
2500, -0.2
3150, -0.4
4000, -0.7
5000, -1.2
6300, -1.9
8000, -2.9
10000, -4.3
12500, -6.1
16000, -8.4
20000, -11.1